Ista Round Bio-Sponge Aquarium Filter (Large) Airline Tubing & Accessories or back chamber to help

or back chamber to help track water temperature and support alerts

then adjust pump speed and output level gradually

Primary use: Fish stress reduction and injury support

and sealed reactor chamber help automate kalkwasser mixing while reducing the need for frequent manual stirring

10 hangers and multiple spacers support the longer cover layout

Ista Round Bio-Sponge Aquarium Filter (Large) Airline Tubing & Accessories or back chamber to helpIsta Round Bio Sponge Aquarium Filter (Large) Broad Biological Filtration with the Ista I 146 The Ista Round Bio Sponge Aquarium Filter (Large) combines a broad sponge surface with a low profile weighted base for dependable mechanical and biological filtration. Its air driven operation draws aquarium water through the porous foam while rising bubbles improve circulation and help promote oxygen exchange. The larger round sponge provides increased